Nu-Flame THE HOTBOX H.E. Guida utente

THE HOTBOX H.E.

Heater Suitable For Natural Gas at Inlet Pressure 20mbar

or Propane at Inlet Pressure 37mbar

USE, INSTALLATION & SERVICING INSTRUCTIONS

ALL INSTRUCTIONS MUST BE LEFT WITH THE USER FOR

SAFE KEEPING

MANUFACTURED by:

Nu-Flame Limited

Unit 4, Kimpton Trade & Business Centre

Minden Road, Sutton, Surrey SM3 9PF

Tel: 020 8254 6802

Fax: 020 8641 9992

Email: sales@nu-flame.co.uk

Country of Destination - GB & IE

Revision 16.6.16 RF

CONTENTS

Section No Subject Page

User Section

- Contents Page 2

- Box Contents 2

- Fitting Kit Contents 3

1Important Notes 4

2Lighting & Controlling the Fire 5

3Cleaning the Fire 7

4Servicing 7

Installation Section

- Record Data 7

5Installation Requirements 8

6Appliance Data 8

7Appliance Dimensions 8

8 Fret Requirements 9

9Flue Requirements 9

10 Ventilation 9

11 Gas Supply 10

16 Fixing the Fire 17

17 Arrangement of the Fuel Effect 19

18 Testing, Commissioning & Use 22

19 Briefing the Customer 23

20 Servicing 23

21 Fault Finding Guide, Symptoms & Possible Cause 24

22 Diagram of Infrared Control System 26

- Guarantee 27

BOX CONTENTS

The Fire comes in 1 box containing the Fire with chosen Control and Fitting kit (see next page for fitting kit contents)

plus the chosen Fuel Bed Components (Coals or Pebbles). A Fret if ordered may come in a separate box.

Sections 12 - 15 are for the various installation applications -

Ensure you refer to the section relevant to your requirement

12 Class 1 & Lined Flue Fire Surround Application 11

Fireplace Construction

13 Pre-Cast Fireplace Application - Fireplace Construction 12

(Rebated or Purpose Built Fire Surround & Construction)

14 BS715 Shallow Flue Box with 5” Twin Wall Flue Application 14

(Fireplace or Hole in the Wall Construction

15 Hole in the Wall Application into Class 1 & Lined Flue 16

Builders Opening Construction

THE HOTBOX H.E. FITTING KIT CONTENTS:

Cable Fixing Kit (2 # cables and fittings, 4 # eyebolts, 4 # screws and 4 # plastic plugs).

1 # Flue Restrictor.

2 # No.8 x 10mm pointed self tapping screws for the restrictor.

4 # Magnets for holding Front Trim on.

1 # 2,050mm length of 6mm x 4mm self adhesive silicone sealing strip.

1 # 10mm Back Nut & olive to connect 8mm copper pipe gas supply to the burner (via the isolation elbow).

1 # Set of Instructions / Warranty.

1. - IMPORTANT NOTES

a. This appliance must be installed by a properly qualified (in accordance with National & Local Regulations) Installation Engineer.

b. The connection of this appliance and ventilation requirements (if any) are to be according to National & Local Codes.

c. This appliance does not normally require any purpose provided additional ventilation, however if it has been found necessary to

add a vent periodically check that it is free from obstruction.

d. Consult all Instructions before Installation and Use.

e. Do not throw rubbish on, or attempt to burn any materials on this appliance. Any Debris or Foreign Matter must be removed from

the fire.

f. The outer parts of this fire will become hot during use, cloths or combustible items must not be placed close to or on the fire. We

recommend that a Fireguard conforming to BS8423 should be used for protection of Young Children the Elderly, Infirm and Pets.

g. For Fires Installed above floor level, (Hole in the wall Fires), it is recommended that a means, (tactile separator/shelf or guard) is

provided to give abrupt warning to a person moving inadvertently towards the fire.

h. The appliance should be Serviced Annually in accordance with the Gas Safety & Uses Regulations.

i. Where the flue has been used for Solid Fuel it must be swept before Installation.

j. If at any time you smell gas or fumes turn the fire off and contact your Installer.

k. These Instructions must be left with the User for future reference.

l. During its first period of use any protective coatings and oils will burn out of the appliance and it is wise to ventilate the room for

the first hour of use.

m. This appliance is fitted with an oxygen depletion sensing system, which automatically shuts off the gas supply to the fire if the

oxygen level in the room is depleted, due to lack of primary air, or obstructed flue (blocked chimney) that would lead to

incomplete combustion of the gas. It must not be tampered with and only replaced with a genuine Nu-Flame ODS.

n. In the event that the fire shuts down for any reason, attempt to restart it. If there is a continuing problem, call in a properly

qualified specialist engineer.

o. There are no user replaceable parts in the appliance apart from the batteries, if a High Level or Thermatronic Electronic

Control System was ordered.

p. The chimney should be regularly checked to ensure that all the products of combustion are entering the flue & that there is no

build up of soot. If there is, the appliance must be serviced.

q. Coal or Pebble fuel effects, manufactured from refractory fibre, are supplied with this appliance. Do not use real coals or pebbles

as this is dangerous. If the simulated fuel bed components need renewing please obtain suitable replacements from a Nu-Flame

Stockist. Light coloured Pebbles can be prone to discolouration, this is quite normal.

r. The fire must be installed in accordance with the rules in force and these Instructions it must be installed into a fireplace or

builders opening as detailed in these Instructions.

s. No combustible materials e.g. curtains must be closer than 500mm to the fire.

t. For Fire Surround Applications a 150mm (6”) combustible shelf can be fitted above the fire provided it is 150mm above the

Fireplace Opening.

u. The Fire can be installed into a suitably designed fire surround with a 150ºC Rating.

v. Explain to the customer that over time some wall staining will occur above the fire and this is due primarily to particles of dust

present in the hot convection air circulating up and over the fire/surround and sticking to the wall.

It is quite normal for the fire to make popping and burbling sounds when in use, as would a solid fuel fire.

THE HOTBOX H.E.

USER INSTRUCTIONS

2. - LIGHTING & CONTROLLING THE FIRE

General

The fire is available with 4 Control Options: a Manual Control (Fire is lit and adjusted manually), a side fitted 2 Button High Level Control

(Fire when lit can be controlled with the Push Buttons), a side fitted 3 Button High Level Control (Fire can be lit and controlled with the Push

Buttons) or Thermatronic Radio Frequency Electronic Control System (Fire is lit and operated with the Handset).

Some Models also have a Coal / Coke Effect Lever System see 2.7

2.1 - LIGHTING & CONTROLLING THE FIRE – MANUAL CONTROL

Remove the Ash Pan Cover to get access to the Control Knob used to operate the Fire.

a. Switching On/Ignition. Depress the control knob & turn counter clockwise. Gas will flow to the Pilot Burner (Pilot Burner is visible

looking down through the glass at the left side), the Piezo Igniter will give off first one, then, as you turn, a second high voltage

spark & the Pilot Burner will Light. (More than one attempt may have to be made on first lighting.)

Keep the Control Knob depressed for approximately 10 seconds to heat up the Thermocouple.

Turn the Control Knob fully counter clockwise to release gas to the Main Burner.

b. Control of Gas Flow. Turning the Control Knob clockwise reduces the gas flow from Maximum to the Pre-Set Minimum Setting.

Turning between Maximum & Minimum does not actuate the Piezo Igniter. The Control Valve can only be turned on to the Pilot

setting by depressing the control knob & turning it to the pre-selected pilot position.

c. Switching Off. Press the Control Knob in at the Pilot Position & turn Clockwise to Off.

2.2 - LIGHTING & CONTROLLING THE FIRE – 2 BUTTON HIGH LEVEL CONTROL

Requires Pilot Ignition First.

The side trim positioned High Level Control System is a battery operated gas fire control system that uses push buttons linked to a main

control at the base of the fire. This control system is used with an oxypilot and has all the safety features required by law and CE approval.

Once the fire is lit by operating the Control behind the Ash Pan Cover the settings can be controlled by the 2 Push Buttons on the upper

right side of the Trim.

Using the System

Remove the Ash Pan Cover to get access to the Control Knob used to operate the Fire.

a. Switching On/Ignition. Depress the right control knob & turn counter clockwise. Gas will flow to the Pilot Burner

(Pilot Burner is visible looking through the fender, under the flue bed, at the front right hand corner), the integral Piezo

Igniter will also give off a high voltage spark & the Pilot Burner will Light. (More than one attempt may have to be made

on first lighting.)

Keep the Control Knob depressed for approximately 10 seconds to heat up the Thermocouple.

Turn the Control Knob fully counter clockwise to release gas to the Main Burner.

b. Control of Gas Flow Using the Side Trim Push Buttons. Press the lowest button to gradually reduce the gas flow

from Maximum to the Pre-Set Minimum Setting, you will hear the motor turning the control. Keeping the Lower Button

depressed will eventually turn the main burner off leaving the pilot alight.

To relight the main burner or increase the heat setting from low, press the Upper Button to achieve settings between

low and high. When the fire has reached high the control under the fire will click repeatedly, release the button.

c. Switching Off. Remove the Ash Pan Cover and turn the right Control Knob Clockwise to Off.

d. Battery Replacement . The Batteries should be replaced every season, you will notice they need changing as

gradually the Push Buttons cease to operate the Control.

e. Changing the Batteries. Remove the Ash Pan Cover and you will find the Battery Box on the left hand side.

Pull towards the front taking care not to strain the connecting wire. Using a small screw driver remove the screw, slide

off the cover and take out the Batteries. Replace with 4 x AA good quality alkaline batteries, operate the Push Buttons

to check the Batteries are fitted correctly.

Note: Only Change The Batteries When The Fire Is Cold

2.3 - LIGHTING & CONTROLLING THE FIRE - 3 BUTTON HIGH LEVEL CONTROL

The 3 Button High Level Control Lights the Pilot and Controls the Fire.

The side trim positioned High Level Control System is a battery operated gas fire control system that uses push buttons linked to a main

control at the base of the fire. This control system is used with an oxypilot and has all the safety features required by law and CE approval.

Note: The Centre Button is both the Ignition and Off Button.

Using the System

a. Ignition. Simultaneously press and hold the Centre Button until a short acoustic signal confirms that the sequence

has begun, then release the buttons. Continuous audible signals confirm that ignition is in progress. When pilot ignition is

confirmed the motor will open the valve to maximum flame height – this takes about 30 seconds.

When the fire is first operated and on occasions when the fire has not been used for some time the Pilot may not light

after pressing the Centre Ignition Button even though the acoustic sound may have been heard. On these occasions it may

be necessary to repeat the sequence a number times to light the pilot. This is quite normal.

b. Flame Height Adjustment. Press the bottom down arrow button until the flame height is at the desired position.

If you try to go beyond the preset low flame minimum height the fire will turn off leaving the pilot burner alight

(This is the standby position). You will learn from experience the minimum preset flame height.

c. Relighting the Fire. To relight the fire from the standby position, or to increase the flame height from low flame, press

the top up arrow.

Please note that you can have the flame height anywhere between maximum and preset low.

For fine adjustment simply tap the up or down arrows.

d. Switching Off. Press the centre button.

e. Battery Replacement. The Batteries should be replaced every season, you will notice they need changing as gradually the

Push Buttons cease to operate the Control.

f. Changing the Receiver Batteries. To change the Receiver Batteries remove the Ash Pan Cover and locate the electronic

receiver box, underneath the fire on the left hand side. Slide open the plastic cover to gain access to the battery compartment.

You can detach the Receiver by pulling it off its Velcro Pad to make access easier but remember to put it back in the same

position. Replace with 4 x AA good quality alkaline batteries, operate the Push Buttons to check the Batteries are fitted correctly.

Note: Only Change The Batteries When The Fire Is Cold

2.4 - LIGHTING & CONTROLLING THE FIRE - THERMATRONIC RF CONTROL

The Thermatronic Control System is a battery operated gas fire control system that uses a microprocessor to provide the working

sequences needed by the fire, and when used with an oxypilot has all the safety features required by law and CE approval.

Commands are accepted by the microprocessor when buttons are pressed. An audible beep means that the command is received,

and the push button should immediately be released.

Using the System

Control can only be achieved if the Handset is pointed at the Fire.

The red light will flash each time you press the Handset.

a. Ignition. Simultaneously press and hold the red button and the right upper button (linked by line) until a

short acoustic signal confirms that the sequence has begun, then release the buttons.

Continuous audible signals confirm that ignition is in progress.

When pilot ignition is confirmed the motor will open the valve to maximum flame height – this takes about

30 seconds.

b. Flame Height Adjustment. Press the small flame button until the flame height is at the desired position.

If you try to go beyond the preset low flame minimum height the main burner will turn off leaving the pilot

burner alight (this is the standby position).

You will learn from experience the preset low flame minimum height.

You will learn from experience the minimum preset flame height.

c. Relighting the Fire. To relight the fire from the standby position, or to increase the flame height from low

flame press and hold the large flame button until the desired flame height is achieved. Please note that

you can have the flame height anywhere between maximum and preset low.

For fine adjustment simply tap the small or large flame buttons.

d. Switching Off. Press the red/off button on the Handset.

2.5 - GENERAL

a. Battery replacement is recommended at the beginning of each heating season, or when an acoustic error

message sounds during ignition.

b. Error Message – Long signals (0.8 second tone – 0.2 second break) during ignition – probable cause - batteries

in electronic receiver box are nearly discharged.

c. Error Message – 5 second continuous tone – probable cause – cable disconnected or on/off switch on valve is in off position.

d. Batteries - Electronic Receiver Box - 4 x AA good quality alkaline - Handset - 1 x PP3 good quality alkaline.

e. To change the Handset battery slide open the plastic panel on the back of the Handset.

f. To change the Receiver Batteries remove the Ash Pan Cover and locate the electronic receiver box, underneath the fire on the left

hand side. Slide open the plastic cover to gain access to the battery compartment. You can detach the Receiver by pulling it off its

Velcro Pad to make access easier but remember to put it back in the same position.

Note: Only Change The Batteries When The Fire Is Cold

2.6 - RESETTING THE MERTIK MAXITROL LOGIC CIRCUITS - IF THE HANDSET DOES NOT WORK

ONLY APPLIES TO THE THERMATRONIC HAND HELD RADIO FREQUENCY CONTROL

Basic Reset - It sometimes happens that (such as when the handset buttons are pressed out of sequence) the fire stops

working because the logic circuits get confused and need to be reset.

To do this, simply remove the 4 x AA batteries from the Receiver Box (see section 2.4f above), wait for 1 minute and then refit the

batteries. Wait for another minute and then point the handset at the fire and press the red/off button. Wait for another minute and then

start the fire as normal. If the fire does not start repeat the resetting procedure. If the fire still does not work a Full Reset can be tried.

Full Reset - If you obtain a new handset the control system will need to learn the handset’s unique code via a Full Reset. Also, if the

fire is not working and the Basic Reset has not worked a Full Reset can be carried out:

Remove the Ash Pan Cover and locate the electronic Receiver Box.

Locate the Reset Hole on the side of the Receiver and using a pen press and hold in the Reset button until you hear two beeps.

The first beep is short and the second beep is long. After the second beep release the Reset Button.

Now on the Handset, within the next 20 seconds press and hold the Small Flame Button until you hear two additional short beeps

confirming the code is set in the Receiver.

If you hear one long beep the Code as not been set so repeat the procedure.

If after carrying out the above procedure the situation is not corrected it will be necessary to contact your Installer.

Note: For the Installation/Service Engineer - Resetting of the Handset & Control System is also covered in Section 21.1 page 24.

2.7.- COAL-COKE EFFECT LEVER

Note : This Feature is not used on either the Natural Gas Pebble Fire or the Propane Fires.

The Natural Gas Coal Fire Model is fitted with a control lever to enable different flame effects to be created. With the lever pushed-in

the flames will be quite yellow replicating a Coal Fire Flame Effect. With the lever pulled-out the flames will be more blue replicating

a Coke Fire Flame Effect. The Coke Fire Flame Effect setting provides the hottest and most efficient Heat Output for the Fire.

a. Remove the Ash Pan and at the upper centre of the opening you will see the black Coal-Coke Lever. Push the lever in for the

Coal Effect setting, pull the lever out for the Coke Effect setting.

! IMPORTANT ! On the Coal Setting, the Yellow Flames may cause some sooty deposits to form and to reduce this we

recommend changing to the hottest Coke Setting.

! TIP ! On the Coke Setting the Fire Produces More Heat and is operating at its most Efficient Heat Setting.

3. - CLEANING THE FIRE

a. Allow to cool before cleaning.

b. The outer surfaces of the fire can be cleaned with a damp cloth and lightly polished with a duster, do not use abrasive cleaners.

For Stainless Steel finishes we recommend a small amount of Baby Oil.

4. - SERVICING

a. The fire should be Serviced Annually in accordance with the Gas Safety & Uses Regulations.

b. This fire contains no User Serviceable Parts apart from the batteries which are only used with the High Level and Thermatronic

Control System options.

c. Servicing must be carried out by a Registered Installer.

d. For Servicing or Spare Parts contact your Installer quoting the Fire Name, Model and Serial Number, which can be found on the

Data Badge. To find the Data Badge/Plate; with the fire cool remove the Ash Pan Cover, the Data Badge can be found at the

base next to the Control Knob.

e. In the event that the fire shuts down due to any reason, attempt to restart it. If there is a continuing problem, call in a properly

qualified specialist engineer.

f. The Matrix in the fire is a Moulded Ceramic Fibre component incorporating Silicone Binders and you may notice that it develops

cracks during operation. This is natural shrinkage caused by exposure to high temperatures and is quite normal for the material

and will in no way affect the operation of the fire.

RECORD DATA TO BE COMPLETED & KEPT BY USER:

PLACE OF PURCHASE ..................................................................…………………… DATE ……....................

ADDRESS & TEL. NO. …………….......................................…..................................................................................

.................................................................................................................................………………………..........….....

APPLIANCE SERIAL NO. ..............................................

INSTALLED BY ........................................…………………………… GAS SAFE REG. NO. ..............................

THE HOTBOX H.E.

INSTALLATION & SERVICING INSTRUCTIONS

5. - INSTALLATION REQUIREMENTS

THIS APPLIANCE MUST BE INSTALLED AND SERVICED BY A PROPERLY QUALIFIED, (IN ACCORDANCE WITH LOCAL &

NATIONAL CODES), INSTALLATION ENGINEER.

It is the Law in the UK that All gas appliances are installed by a competent person in accordance with the GAS SAFETY

(INSTALLATION AND USE) REGULATIONS 1998 (As amended), the relevant British Standards for Installation work, Building Reg-

ulations, Codes of Practice and these Instructions. In the UK a Registered Installer is deemed competent. In the

Republic of Ireland, all Irish Standards, Local Codes and Bord Gais recommendations should be adhered to.

The Installation should also be carried out in accordance with the following where relevant:

1. BS5871 Part 2 2. BS5440 Parts 1 & 2 3. BS6461 Parts 1 & 2 4. BS6891 5. BS8303 6. BS EN 1856 7. BS715

Building Regulations and Standards issued as relevant by the Department of the Environment or the Scottish Development

Department.

In the Republic of Ireland Installation should be carried out in accordance with IS813, ICP3, IS327, Building Regulations, Codes of

Practice, these Manufacturers Instructions and any Rules In Force.

Particular Reference should be made to the Ventilation Requirements, for the UK this Appliance would not normally require any

additional purpose provided ventilation, for the Republic of Ireland ventilation should be in accordance with IS813 Domestic Gas

Installations.

Failure to comply with the above could leave the Installer Liable to Prosecution and Invalidate the Warranty.

IMPORTANT

BEFORE PROCEEDING WITH THE INSTALLATION READ THESE INSTRUCTIONS CAREFULLY. THESE INSTRUCTIONS

SHOULD BE LEFT WITH THE USER FOR SAFE KEEPING AND FUTURE SERVICING. PRIOR TO INSTALLATION ENSURE

THAT THE GAS TYPE AND PRESSURE ARE AS STATED ON THE APPLIANCE DATA BADGE.

6. - APPLIANCE DATA

a. Gas Type: See Data Plate (Natural Gas at 20mbar or Propane 37mbar).

b. Burner Pressure: Natural Gas 18.0mbar cold. Propane 35.8mbar cold.

c. Control Systems: Manual or High Level (Push Button) or Thermatronic (Fully Sequential) Control System operated by Handset

pointed at Receiver.

d. Fire Safety: Oxygen Depletion & Flame Failure Device.

e. Ignition: Manual-Integral Piezo Igniter, High Level-Integral Piezo Igniter, Thermatronic-Full Sequential Control.

f. Inlet Connection: 8mm Compression Fitting to Gas Isolation Elbow.

g. Categories: I2H & I3P

h. Injector: Natural Gas (G20) - 480 Multi hole. Propane (G31) - 210 Single hole.

i. Heat Input: High: Natural Gas (G20) - 6.95kW Gross (6.26kW Nett). Propane (G31) - 6.65kW Gross (6.12kW Nett).

j. Heat Input: Low: Natural Gas (G20) - 2.0kW Gross (1.8kW Nett). Propane (G31) - 2.0Kw Gross (1.8kW Nett).

k. Efficiency Class: 2. The Efficiency of this appliance has been measured as specified in BS7977-1:2009, the results obtained

were: Natural Gas 58.6% Gross (65.0% Nett), Propane 56.6% Gross (65.0%Nett). The test data has been certified by BSI

Group (0086) and can be used in the UK Government’s Standard Assessment Procedure (SAP) for Energy Rating of Dwellings.

l. Heat Output: High: Natural Gas (G20) - 4.1kW. Propane (G31) - 3.9kW.

m. Heat Output: Low: Natural Gas (G20) - 1.1kW . Propane (G31) - 1.1kW.

n. Pilot ODS Type: Natural Gas (G20) - P448 . Propane (G31) - P449 .

Designs may vary; the diagram above is to show important dimensions

7. - APPLIANCE DIMENSIONS

Additional detail for “Hole in

the Wall” frames

With 3 sided frame for fireplace use.

8. - FRET REQUIREMENTS

!IMPORTANT NOTE! THE FRET CAN AFFECT THE SAFE OPERATION OF THE FIRE

9. - FLUE REQUIREMENTS

These checks MUST be made before constructing the Builders Opening

The Appliance is suitable for Installation into the following types of Flue:

a. Conventional Stone/Brick Built Flue (Class 1) with a minimum cross sectional dimension of 175mm (7”) with a minimum effective

height of 3 meters.

b. The flue MUST be free of any obstructions. Any dampers or restrictors MUST be removed. Some dampers are impractical to be

removed; therefore they MUST be fixed in some way in the OPEN position.

c. The chimney/flue should be swept if it has been used for solid fuel.

d. A Flue Lined with a 5” Flexible Flue Liner connected to a Register Plate fitted and sealed at the top of the Builders Opening with a

minimum effective height of 3 meters.

e. A Pre-cast Flue with Starter Blocks conforming to BS1289: 1975, 1986, or 1989 or BS EN1858 and having a minimum cross

sectional flue of 198mm by 67mm and Starter Blocks providing 115mm deep by 304mm wide with a minimum height of 555mm.

No part of the Pre-cast Flue must be less than 63mm.

f. The Fire may be used in conjunction with a Fully Sealed Rebated 150C rated or Equivalent Purpose Built Fire Surround.

g. Any Pre-Cast Flue must be Sound and Free from Obstructions (Mortar Fangs or Protrusions into the Flue Way) and have an

effective height of over 3 meters.

h. For Pre-cast Flues - ensure the walls are dry lined over the route of the flue and no dabs or battens are in direct contact with the

flue blocks otherwise wall cracking will occur as detailed in BS 5440 Pt 1 2008.

i. A Purpose Designed Flue Box to BS715 fitted with a 5” twin walled flue with a minimum effect height of 3 meters to BS EN 1856.

Details are available from your authorised supplier.

j. Ensure that only one fireplace is served by the flue system.

k. Ensure that the chimney/flue is continuous from inlet to termination.

l. Ensure that the chimney/flue is structurally sound, so that combustion products do NOT come into contact with combustible

materials outside the chimney.

m. CHECK FLUE PULL. Apply a smoke match or smoke generator to the flue opening at hearth level and observe smoke. If

there is a definite flow into the flue aperture, proceed with installation. If there is not a definite flow into the flue aperture, preheat

the flue for approximately 10 minutes and re-test. If there is not a definite flow towards the flue aperture the flue may need

attention.

DO NOT FIT THE APPLIANCE, SEEK EXPERT ADVICE.

10. - VENTILATION

a. No additional purpose provided ventilation is normally required for the fire when installed in the UK; however this must be

confirmed by the Spillage Test, see Section 18.2.

b. For other Countries refer to National Regulations and Local Codes.

c. This appliance is fitted with an oxygen depletion sensing system, which automatically shuts off the gas supply to the fire if the

oxygen level in the room is depleted, due to lack of primary air, or obstructed flue that would lead to incomplete combustion of the

gas. It must not be tampered with and only replaced with a genuine Nu-Flame ODS Pilot.

These checks MUST be made before selecting a suitable Fret

a. The Important Minimum Open Area’s (for airflow) of the Fret are

shown in the diagram, with the minimum dimensions .

b. The Minimum Open Area at the base of the Ash Pan Cover is

5200mm sq equally shared between two openings, they must be

at the base of the Ash Pan Cover.

c. The Minimum Open Area in the Fender area (above Ash Pan Cover)

is 7500mm sq which can be provided through one or more slots.

d. The correct height to the Upper most part of the Fret must be

190mm, to align with the Fuel Bed.

e. The opening for the Ash Pan Cover area must be 85mm minimum

height to allow access for operation of the Controls.

f. The Fret will have to be curved at the back and must be checked to

ensure it does not foul the Matrix of the Fuel Bed. It should

also touch the Trim.

11. - GAS SUPPLY

It Is Recommended to Check The Next Section as Building Work May Affect the Gas Supply Routing.

a. Carry out a gas soundness test before working on the gas supply.

b. Gas supply provision should be made in accordance with the latest Gas Safety (Installation and Use) Regulations as amended.

c. Confirm that the fire has been supplied for the correct gas to be used by checking the Data Badge in the base of the fire.

d. A route for a concealed gas supply is provided through a hole in the rear of the fire, at a position of 95mm to the left of the centre

of the fire and 49mm up from the base of the Fireplace/Builders opening. An isolation elbow is provided at the control inlet. Your

8mm gas supply pipe needs to protrude through the back of the convector box by approximately 190mm to achieve a neat

connection onto the back of the isolator elbow on the burner. (This applies to All Control Options.)

e. Where the gas supply passes through walls, floors, voids, concrete and wall cavities the supply should be sleeved.

f. Determine the gas supply pipe size required taking into account any other gas appliances.

g. Determine where the gas supply pipe needs to terminate and fit the 8mm compression isolation/pressure test elbow provided.

h. In common with all other gas appliances, dirt and debris in the gas system can block the valve and gas injectors on this

appliance, and faults caused by this are not covered by the guarantee.

Therefore it is important that all gas pipes must be purged of both air and debris.

i If you suspect that there may still be dirt and/or debris in the gas system, fit a filter in the pipeline, before the gas isolation/

pressure test elbow.

J. Do not use jointing compound on any compression fittings on the fire. The use of jointing compound on the compression joints

on this appliance will possibly invalidate the guarantee, as it can get into the control mechanism and cause a malfunction.

k. Seal off the isolation/pressure test elbow and check all gas connections for gas soundness before proceeding to fit the fire.

! IMPORTANT NOTE ! Always reseal the pressure test point and check that it is gas tight. (This accounts for a lot of

recalls.)

The Installation Application Options Are:

12.0 Installation into a Class 1 or Lined Flue with a 150ºC rated Fire Surround fitted into a Suitable

Fireplace Opening or 16” Chairbrick.

13.0 Installation into a Pre-cast Flue Fireplace. (Rebated Fire Surround Rated 150ºC or Purpose

Built Surround Extension.)

14.0 Installation into a BS 715 Shallow Flue Box with Twin Wall 5”Flue, False Chimney Breast with

either a 150ºC rated Fire Surround or part way up the wall as a Hole in the Wall Installation with

Slips & Shelf.

15.0 Installation into a Hole in the Wall application with a Class 1 or Lined Flue requiring a Purpose

made Builders Opening.

Sections 12 - 15 are for the various Installation Applications -

Only one will apply.

! IMPORTANT NOTE !

The chosen installation should have

been predetermined and arranged before installing the fire.

Ensure you refer to the section relevant to your requirement.

Indice

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